Efka® FA 4644 (Old name: Efka® 5044) by BASF acts as a dispersing agent. It is an unsaturated polyamide and acid ester salts. It reduces the interfacial tension between pigments or extenders and the vehicle.
- Provides stabilization of the pigment dispersion and decreases dispersion time and pigment sedimentation.
- Efka® FA 4644 increases gloss and improves flow.
- Used in solvent-borne and solvent-free coatings.
- Suggested for industrial coatings.
- The recommended dosage level for inorganic pigments is 0.2 – 2.0 % on pigment weight, for organic pigments is 2.0 – 5.0 % on pigment weight and for bentonite gels is 30.0 – 50.0 % on bentonite weight.
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Efka® FA 4644 properties
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| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Acid Value | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Amine Number | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Density | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Flash Point | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Solid Content | 0.0 Visible After Login | Visible After Login | Visible After Login |